<template>
    <div class="fa">
        <div class="so"></div>
    </div>
</template>
<script setup lang="ts"></script>
<style scoped>
.fa {
    border: 10px solid black;
    width: 1000px;
    height: 100px;
}
.so {
    border: 10px solid red;
    width: 88%;
    height: 88%;
    overflow: hidden;
}
</style>